单项选择题

One good way to get vitamin D is to__________.

A．sleep with your windows open
B．play in the sunshine
C．eat plenty of fresh vegetables
D．take some medicine
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单项选择题
Because adults have reached full growth, they probably__________.
A．need as much vitamin D as children
B．need less vitamin D than children
C．need more vitamin D than children
D．need no vitamin
单项选择题
What is tickets now called
A．English disease.
B．French disease.
C．The article does not say.
D．Children disease.
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